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New Insights into the Structure and Function of Pyruvate Carboxylase. Pyruvate carboxylase plays an essential roles in insulin secretion by pancreatic islets and in normal brain function, but excess expression of this enzyme in liver and adipose tissue is associated with diabetes and obesity.
Understanding the function of each structural feature in the reaction mechanism of an enzyme is essential to designing safe and effective pharmaceuticals that are required to modulate its activity.
Th ....New Insights into the Structure and Function of Pyruvate Carboxylase. Pyruvate carboxylase plays an essential roles in insulin secretion by pancreatic islets and in normal brain function, but excess expression of this enzyme in liver and adipose tissue is associated with diabetes and obesity.
Understanding the function of each structural feature in the reaction mechanism of an enzyme is essential to designing safe and effective pharmaceuticals that are required to modulate its activity.
This project, which will use cutting edge techniques in an experimental model, seeks to characterise this important enzyme's function so that better treatments can be developed in future for diabetes and obesity.
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Structural and Functional Aspects of the Allosteric Regulation of Pyruvate Carboxylase by Acyl-CoA Compounds. Pyruvate carboxylase occupies a central location in intermediary metabolism catalysing the formation of oxaloacetate, a key component of the Krebs' tricarboxylic acid cycle especially in its synthetic modes in gluconeogenesis, lipogenesis and in the synthesis of neurotransmitters.
This project aims: (i) To produce crystals of pyruvate carboxylase for determining its structure by X-ra ....Structural and Functional Aspects of the Allosteric Regulation of Pyruvate Carboxylase by Acyl-CoA Compounds. Pyruvate carboxylase occupies a central location in intermediary metabolism catalysing the formation of oxaloacetate, a key component of the Krebs' tricarboxylic acid cycle especially in its synthetic modes in gluconeogenesis, lipogenesis and in the synthesis of neurotransmitters.
This project aims: (i) To produce crystals of pyruvate carboxylase for determining its structure by X-ray diffraction; (ii) To use affinity-labelling to determine the amino acid residues in the binding site of the enzyme's allosteric activator, acetyl-CoA; (iii) To construct chimeric enzymes from different species to define regions of the enzyme which affect its responses to its important allosteric activator, acetyl-CoA.
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Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0668241
Funder
Australian Research Council
Funding Amount
$824,610.00
Summary
A Facility for High-Throughput, Functional Gene Discovery Using Arrayed Retroviral Expression Cloning. The proposed facility will represent world-leading technology in functional genomics and provide Australian scientists with unique opportunities to identify genes involved in a broad range of biological processes. This will contribute to fundamental knowledge in mammalian biology, and equally importantly, is likely to identify genes involved in important health problems such as cancer, inflamma ....A Facility for High-Throughput, Functional Gene Discovery Using Arrayed Retroviral Expression Cloning. The proposed facility will represent world-leading technology in functional genomics and provide Australian scientists with unique opportunities to identify genes involved in a broad range of biological processes. This will contribute to fundamental knowledge in mammalian biology, and equally importantly, is likely to identify genes involved in important health problems such as cancer, inflammatory disease, brain damage and diabetes. Such genes may in turn constitute targets against which new therapies may be developed. This endeavour will contribute to national research priorities in both the health and scientific/technological development arenas.Read moreRead less